return NULL_TREE;
if (TREE_CODE_CLASS (ipa_get_jf_pass_through_operation (jfunc))
- == tcc_comparison)
- restype = boolean_type_node;
+ == tcc_unary)
+ res = fold_unary (ipa_get_jf_pass_through_operation (jfunc),
+ TREE_TYPE (input), input);
else
- restype = TREE_TYPE (input);
- res = fold_binary (ipa_get_jf_pass_through_operation (jfunc), restype,
- input, ipa_get_jf_pass_through_operand (jfunc));
-
+ {
+ if (TREE_CODE_CLASS (ipa_get_jf_pass_through_operation (jfunc))
+ == tcc_comparison)
+ restype = boolean_type_node;
+ else
+ restype = TREE_TYPE (input);
+ res = fold_binary (ipa_get_jf_pass_through_operation (jfunc), restype,
+ input, ipa_get_jf_pass_through_operand (jfunc));
+ }
if (res && !is_gimple_ip_invariant (res))
return NULL_TREE;
if (ipa_get_jf_pass_through_operation (jfunc) == NOP_EXPR)
return dest_lat->meet_with (src_lats->m_value_range);
+ else if (param_type
+ && (TREE_CODE_CLASS (ipa_get_jf_pass_through_operation (jfunc))
+ == tcc_unary))
+ {
+ value_range vr;
+ memset (&vr, 0, sizeof (vr));
+ tree operand_type = ipa_get_type (caller_info, src_idx);
+ enum tree_code operation = ipa_get_jf_pass_through_operation (jfunc);
+
+ if (src_lats->m_value_range.bottom_p ())
+ return false;
+
+ extract_range_from_unary_expr (&vr,
+ operation,
+ param_type,
+ &src_lats->m_value_range.m_vr,
+ operand_type);
+ return dest_lat->meet_with (&vr);
+ }
}
else if (jfunc->type == IPA_JF_CONST)
{
jfunc->value.pass_through.agg_preserved = agg_preserved;
}
+/* Set JFUNC to be an unary pass through jump function. */
+
+static void
+ipa_set_jf_unary_pass_through (struct ipa_jump_func *jfunc, int formal_id,
+ enum tree_code operation)
+{
+ jfunc->type = IPA_JF_PASS_THROUGH;
+ jfunc->value.pass_through.operand = NULL_TREE;
+ jfunc->value.pass_through.formal_id = formal_id;
+ jfunc->value.pass_through.operation = operation;
+ jfunc->value.pass_through.agg_preserved = false;
+}
/* Set JFUNC to be an arithmetic pass through jump function. */
static void
return !modified;
}
-/* If STMT is an assignment that loads a value from an parameter declaration,
- return the index of the parameter in ipa_node_params which has not been
- modified. Otherwise return -1. */
+/* Main worker for load_from_unmodified_param and load_from_param.
+ If STMT is an assignment that loads a value from an parameter declaration,
+ return the index of the parameter in ipa_node_params. Otherwise return -1. */
static int
-load_from_unmodified_param (struct ipa_func_body_info *fbi,
- vec<ipa_param_descriptor> descriptors,
- gimple *stmt)
+load_from_param_1 (struct ipa_func_body_info *fbi,
+ vec<ipa_param_descriptor> descriptors,
+ gimple *stmt)
{
int index;
tree op1;
- if (!gimple_assign_single_p (stmt))
- return -1;
-
+ gcc_checking_assert (is_gimple_assign (stmt));
op1 = gimple_assign_rhs1 (stmt);
if (TREE_CODE (op1) != PARM_DECL)
return -1;
return index;
}
+/* If STMT is an assignment that loads a value from an parameter declaration,
+ return the index of the parameter in ipa_node_params which has not been
+ modified. Otherwise return -1. */
+
+static int
+load_from_unmodified_param (struct ipa_func_body_info *fbi,
+ vec<ipa_param_descriptor> descriptors,
+ gimple *stmt)
+{
+ if (!gimple_assign_single_p (stmt))
+ return -1;
+
+ return load_from_param_1 (fbi, descriptors, stmt);
+}
+
+/* If STMT is an assignment that loads a value from an parameter declaration,
+ return the index of the parameter in ipa_node_params. Otherwise return -1. */
+
+static int
+load_from_param (struct ipa_func_body_info *fbi,
+ vec<ipa_param_descriptor> descriptors,
+ gimple *stmt)
+{
+ if (!is_gimple_assign (stmt))
+ return -1;
+
+ enum tree_code rhs_code = gimple_assign_rhs_code (stmt);
+ if ((get_gimple_rhs_class (rhs_code) != GIMPLE_SINGLE_RHS)
+ && (get_gimple_rhs_class (rhs_code) != GIMPLE_UNARY_RHS))
+ return -1;
+
+ return load_from_param_1 (fbi, descriptors, stmt);
+}
+
/* Return true if memory reference REF (which must be a load through parameter
with INDEX) loads data that are known to be unmodified in this function
before reaching statement STMT. */
tree op1, tc_ssa, base, ssa;
bool reverse;
int index;
+ gimple *stmt2 = stmt;
op1 = gimple_assign_rhs1 (stmt);
if (SSA_NAME_IS_DEFAULT_DEF (op1))
index = ipa_get_param_decl_index (info, SSA_NAME_VAR (op1));
else
- index = load_from_unmodified_param (fbi, info->descriptors,
- SSA_NAME_DEF_STMT (op1));
+ {
+ index = load_from_param (fbi, info->descriptors,
+ SSA_NAME_DEF_STMT (op1));
+ stmt2 = SSA_NAME_DEF_STMT (op1);
+ }
tc_ssa = op1;
}
else
{
- index = load_from_unmodified_param (fbi, info->descriptors, stmt);
+ index = load_from_param (fbi, info->descriptors, stmt);
tc_ssa = gimple_assign_lhs (stmt);
}
bool agg_p = parm_ref_data_pass_through_p (fbi, index, call, tc_ssa);
ipa_set_jf_simple_pass_through (jfunc, index, agg_p);
}
+ else if (is_gimple_assign (stmt2)
+ && (gimple_expr_code (stmt2) != NOP_EXPR)
+ && (TREE_CODE_CLASS (gimple_expr_code (stmt2)) == tcc_unary))
+ {
+ ipa_set_jf_unary_pass_through (jfunc, index,
+ gimple_assign_rhs_code (stmt2));
+ }
return;
}
bp_pack_value (&bp, jump_func->value.pass_through.agg_preserved, 1);
streamer_write_bitpack (&bp);
}
+ else if (TREE_CODE_CLASS (jump_func->value.pass_through.operation)
+ == tcc_unary)
+ {
+ streamer_write_uhwi (ob, jump_func->value.pass_through.formal_id);
+ }
else
{
stream_write_tree (ob, jump_func->value.pass_through.operand, true);
bool agg_preserved = bp_unpack_value (&bp, 1);
ipa_set_jf_simple_pass_through (jump_func, formal_id, agg_preserved);
}
+ else if (TREE_CODE_CLASS (operation) == tcc_unary)
+ {
+ int formal_id = streamer_read_uhwi (ib);
+ ipa_set_jf_unary_pass_through (jump_func, formal_id, operation);
+ }
else
{
tree operand = stream_read_tree (ib, data_in);
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